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Chinazdk · 2024年02月15日

A

NO.PZ2023112401000012

问题如下:

Cryptocurrencies are a common form of digital asset that

选项:

A.

can be mined only through “proof of work” on blockchain networks

B.

exist both in physical forms and electronic records with rights to use, buy, or sell by owners.

C.

can be used to transfer or store value, which allows time-efficient transactions between parties without the need for an intermediary.

解释:

The correct answer is C. Cryptocurrencies are used to transfer or store value, which allows near-real-time transactions between parties without the need for an intermediary. As electronic mediums of exchange, cryptocurrencies lack physical form and exist only as electronic records on distributed ledgers. Depending on the particular consensus protocols used, cryptocurrencies can be generated either by “proof of work” or “proof of stake” by miners or validators on networks.

A错误在哪里啊?。?

1 个答案

pzqa35 · 2024年02月15日

嗨,从没放弃的小努力你好:


这道题问的是关于加密货币正确的选项。A说它只能通过PoS产生,这是错误的,PoS和PoW两种方式都会有奖励,这个奖励就是加密货币,因此错在了“only”上。B说它有可能是实物的形式也有可能是电子的形式,它没有实物的形式因此也是错误的。C选项说的是它的一定定义,可以用来储存和转移价值,可以更有效且不需要中介,这个是对的哈。

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